[Dovecot] Folder name migration when moving from 2.0.x to 2.1.x?

[Ralf Hildebrandt]

* Timo Sirainen <tss at iki.fi>:
> On 18.2.2012, at 19.18, Ralf Hildebrandt wrote:
> 
> > Today I encountered this after upgrading:
> > 
> > Feb 18 18:15:40 postamt dovecot: imap(lehnertr): Panic: LIST: Mailbox name not UTF-8: INBOX.Entw�rfe
> ..
> > a) It should not PANIC (I think)
> 
> Right.
> 
> > b) How can I globally "fix" the folder names (preferably in such a way
> >   that I am able to switch back and forth between 2.0 and 2.1)
> 
> What does this look in filesystem? Is it not in mUTF-7? If the problem
> is in filesystem, rename it to mUTF7 (you can use doveadm mailbox
> mutf7)

# find /home -mindepth 5 -maxdepth 5 -type d -name .Entw*
/home/h/o/hoffmanb/Maildir/.Entw&APw-rfe
/home/h/d/hdaebrit/Maildir/.Entw&APw-rfe
/home/h/e/hermel/Maildir/.Entw&APw-rfe
/home/h/l/hlammert/Maildir/.Entw&APw-rfe
...
/home/p/d/pdeindl/Maildir/.Entw&,,0-rfe
/home/m/v/mviehweg/Maildir/.Entw&,,0-rfe
/home/m/k/mkoehn/Maildir/.Entw&,,0-rfe

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandt at charite.de | http://www.charite.de